JAVA Learning Notes

Source: Internet
Author: User

What is the definition of overloading?

A: If there are multiple return values in a class with the same method name, only the parameter types are different!

This can constitute an overload,Java in the instance object call this method, can be separated is the method called!

Like what

classtest{voidMaxintAintb) {System.out.println ("Now I'm in int"); System.out.println (A>b?a:b); }    voidMaxfloatAfloatb) {System.out.println ("I float Now"); System.out.println (A>b?a:b); }    voidMaxDoubleADoubleb) {System.out.println ("I'm double now."); System.out.println (A>b?a:b); }} Public classtestpoint{ Public Static voidMain (string[] args) {Test T=NewTest (); T.max (The); T.max (1.0,2.0); T.max (1.0f,2.0f); }}

constructor function

A constructor is the method that is called when we create an instance of an object.

JAVA Learning Notes

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